One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Buzz Aldrin’s mother’s maiden name was Moon.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
41% of the moon is not visible from earth at any time.
103